ATI RN
ATI RN Adult Medical Surgical 2019 with NGN Questions
Extract:
Question 1 of 5
A nurse is checking a client's ventilator settings. The nurse should understand that positive end-expiratory pressure has which of the following purposes?
Correct Answer: D
Rationale: Positive end-expiratory pressure (PEEP) prevents alveolar collapse by maintaining airway pressure at expiration, improving oxygenation. It does not affect tidal volume, inspiratory pressure, or ventilation rate.
Question 2 of 5
A nurse is caring for a client who arrives at the emergency department and reports vomiting and diarrhea for the past 3 days. The client's serum potassium level is 2.8 mEq/L. Which of the following interventions should the nurse implement first?
Correct Answer: D
Rationale: Hypokalemia (2.8 mEq/L) risks cardiac arrhythmias; initiating cardiac monitoring is the priority to detect life-threatening changes. Other interventions follow based on assessment findings.
Question 3 of 5
A nurse is reviewing the medical record of a client who has pneumonia. Which of the following serum laboratory values should the nurse expect?
Correct Answer: A
Rationale: A WBC count of 15,000/mm3 indicates leukocytosis, expected in pneumonia due to infection. Other values are normal and not directly related to pneumonia.
Question 4 of 5
A nurse is reviewing ECG rhythm strips for a group of clients. The nurse should identify that which of the following rhythms indicates bradycardia?
Correct Answer: C
Rationale: Sinus bradycardia shows a heart rate below 60/min with regular P waves before QRS complexes, as seen in strip C.
Question 5 of 5
A nurse is assessing a client who has a serum sodium level of 120 mEq/L. Which of the following findings should the nurse expect?
Correct Answer: C
Rationale: Hyponatremia (120 mEq/L) causes neurological symptoms like confusion due to cerebral edema. Bowel sounds, CVP, and reflexes are less directly affected.